A valid mathematical Regression represents all of the characteristics shown except ___________________________.
A. The residuals when plotted follow a Normal Distribution
B. The sum of the residuals is zero
C. All of the standardized residuals will be within ±3 Standard Deviations
D. Most standardized residuals are within ±2 Standard Deviations
wrong answer as the right answer is to be (c)
in fact the same question is rightly answered in another exam :
https://vceguide.com/a-valid-mathematical-regression-represents-all-of-the-characteristics-shown-except-___________________________/